"A bassist from a rock background, Colin Wolfe had befriended Dre working long hours under Dre at Ruthless Records, which had first invited the bass guitarist to tour with its R&B singer Michel'le.In 2014, Wolfe recalled, "One day, I was alone in the control room and Dre and Daz were up in the back room, trying to mess around on the keyboard for the 'Bitches Ain’t Shit' bass line.